These ClearWater Dip Test Strips are ideal for testing the total alkalinity, pH and Chlorine levels in your pool or spa. It is important that you always follow pool and spa maintenance schedules and instructions to ensure that you have the correct level of chemicals in your pool or spa water to avoid having contaminated pool or spa water. Clearwater Test Strips show the pH & chlorine levels within your Lay-Z-Spa or Above Ground Pool water so you know how much to adjust the levels to keep the waters balance and sanitisation within the guided parameters. Clearwater chemical test strips kit contains instructions & an easy colour system and match up to chart making it easy to use. Just dip and see!